title: [Long-term prevention of duodenal ulcer with cimetidine. Effect of the rhythm of ingestion and drug compliance on the incidence of recurrence].
abstract: The long term effect of 400 mg cimetidine ingested at various times on ulcer recurrence and drug compliance was investigated in 66 patients with severe course of duodenal ulcer, now healed. Patients were randomised in 3 treatment groups: group A (n = 29) received 400 mg cimetidine in the evening, group B (n = 23) 200 mg both morning and evening, group C (n = 14) no treatment. Follow up examinations were at 3 month intervals. Ulcer recurrence was observed in 10 out of 14 patients in group C and in 12 out of 52 patients of groups A and B within the first 6 months. Due to the highly significant difference between the treated and untreated groups (P less than 0.001) the control group was discontinued. The recurrence rate after 12 months was identical in groups A and B (51 and 52%). Comparison of patients with and without recurrences showed no differences as regards length of history, maximal acid secretion, cimetidine compliance or endoscopic findings such as duodenitis, circular constriction of the bulbus or antral erosions. However, it was noticeable that smokers with 63% recurrent ulceration had a worse prognosis than the non-smokers with 37% (P = 0.06).
mesh_terms: D000328:Adult; D000368:Aged; D002927:Cimetidine / Q000009:adverse effects / Q000627:therapeutic use*; D004334:Drug Administration Schedule; D004381:Duodenal Ulcer / Q000517:prevention & control*; D005260:Female; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D008134:Long-Term Care; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases; D010349:Patient Compliance; D011379:Prognosis; D011696:Purpura, Thrombocytopenic / Q000139:chemically induced; D012008:Recurrence; D012907:Smoking
chemical_list: D006146:Guanidines; D002927:Cimetidine
vernacular_title: Langzeitprophylaxe des Ulcus duodeni mit Cimetidin. Einfluss von Einnahmerhythmus und Medikamenten-Compliance auf die Rezidivhäufigkeit.